<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>demo</title>
    <script src="vue.js"></script>
    <style>
        .block{display: inline-block;border: 1px solid;}
    </style>
</head>
<body>
    <div id="app">
        <div class="block">不阻止默认行为</div>
        <div class ="block"v-on:contextmenu.prevent="rightClick">阻止默认行为</div>
        
    </div>
</body>
<script>
    var vm = new Vue({
        el:'#app',
        data:{
            
        },
        methods:{
            rightClick:function(){
                alert("do something");
            }
        }
    })
</script>
</html>